private void Window_Activated(object sender, EventArgs e)
{
vtkPolyData cube = new vtkPolyData();
vtkPoints points = new vtkPoints();
vtkCellArray polys = new vtkCellArray();
vtkFloatArray scalars = new vtkFloatArray();
Kitware.VTK.RenderWindowControl vtkControl = new Kitware.VTK.RenderWindowControl();
vtkControl.AddTestActors = false;
vtkControl.Location = new System.Drawing.Point(10, 10);
vtkControl.Name = "_renwin";
vtkControl.Size = new System.Drawing.Size(100, 100);
vtkControl.TabIndex = 0;
vtkControl.TestText = null;
vtkControl.Dock = System.Windows.Forms.DockStyle.Fill;
vtkformhost.Child = vtkControl;
vtkformhost.Visibility = System.Windows.Visibility.Visible;
int i;
float[][] x = new float[8][]
{
new float[] { 0, 0, 0 }, //第0个点的坐标
new float[] { 1, 0, 0 }, //第1个点的坐标
new float[] { 1, 1, 0 }, //第2个点的坐标
new float[] { 0, 1, 0 }, //3
new float[] { 0, 0, 1 }, //4
new float[] { 1, 0, 1 }, //5
new float[] { 1, 1, 1 }, //6
new float[] { 0, 1, 1 } //7
};
for (i = 0; i < 8; i++)
{
points.InsertPoint(i, x[i][0], x[i][1], x[i][2]); //加载点，创建数据结构的几何
}
List <int[]> temp = new List <int[]>();
int[] temparray0 = new int[4] {
0, 1, 2, 3
}; //第0，1，2，3个点连接在一起，成为一个单元
int[] temparray1 = new int[4] {
4, 5, 6, 7
}; //第4，5，6，7个点连接在一起，成为一个单元
int[] temparray2 = new int[4] {
0, 1, 5, 4
};
int[] temparray3 = new int[4] {
1, 2, 6, 5
};
int[] temparray4 = new int[4] {
2, 3, 7, 6
};
int[] temparray5 = new int[4] {
3, 0, 4, 7
};
temp.Add(temparray0);
temp.Add(temparray1);
temp.Add(temparray2);
temp.Add(temparray3);
temp.Add(temparray4);
temp.Add(temparray5);
//因为在activiz中没有vtkIdType这个类，所以用了其他的方法代替C++代码中的实现。
for (int j = 0; j < temp.Count; j++)
{
IntPtr pP = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(int)) * 4);
Marshal.Copy(temp[j], 0, pP, 4);
polys.InsertNextCell(4, pP);//加载单元，定义数据集的拓扑
Marshal.FreeHGlobal(pP);
}
for (i = 0; i < 8; i++)
{
scalars.InsertTuple1(i, i); //为每一个点设置点属性。
}
cube.SetPoints(points);
cube.SetPolys(polys);
cube.GetPointData().SetScalars(scalars);
vtkPolyDataMapper cubemapper = new vtkPainterPolyDataMapper();
cubemapper.SetInput(cube);
cubemapper.SetScalarRange(0, 7);
vtkActor cubeactor = new vtkActor();
cubeactor.SetMapper(cubemapper);
// Create components of the rendering subsystem
//
vtkRenderWindow _renwin = vtkControl.RenderWindow;
vtkRenderer ren1 = _renwin.GetRenderers().GetFirstRenderer();
// Add the actors to the renderer, set the window size
//
ren1.AddViewProp(cubeactor);
_renwin.SetSize(250, 250);
_renwin.Render();
ren1.ResetCamera();
}
//private void InitializeVTK()
//{
// Kitware.VTK.RenderWindowControl vtkControl = new Kitware.VTK.RenderWindowControl();
// vtkControl.AddTestActors = false;
// vtkControl.Location = new System.Drawing.Point(10, 10);
// vtkControl.Name = "_renwin";
// vtkControl.Size = new System.Drawing.Size(100, 100);
// vtkControl.TabIndex = 0;
// vtkControl.TestText = null;
// vtkControl.Dock = System.Windows.Forms.DockStyle.Fill;
// vtkformhost.Child = vtkControl;
// vtkformhost.Visibility = System.Windows.Visibility.Visible;
// vtkSphereSource sphere = vtkSphereSource.New();
// sphere.SetThetaResolution(8);
// sphere.SetPhiResolution(16);
// vtkShrinkPolyData shrink = vtkShrinkPolyData.New();
// shrink.SetInputConnection(sphere.GetOutputPort());
// shrink.SetShrinkFactor(0.9);
// vtkPolyDataMapper mapper = vtkPolyDataMapper.New();
// mapper.SetInputConnection(shrink.GetOutputPort());
// // The actor links the data pipeline to the rendering subsystem
// vtkActor actor = vtkActor.New();
// actor.SetMapper(mapper);
// actor.GetProperty().SetColor(1, 0, 0);
// // Create components of the rendering subsystem
// //
// Kitware.VTK.vtkRendererCollection rs = vtkControl.RenderWindow.GetRenderers();
// vtkRenderer ren1 = vtkControl.RenderWindow.GetRenderers().GetFirstRenderer();
// vtkRenderWindow renWin = vtkControl.RenderWindow;
// // Add the actors to the renderer, set the window size
// //
// ren1.AddViewProp(actor);
// renWin.SetSize(500, 500);
// renWin.Render();
// vtkCamera camera = ren1.GetActiveCamera();
// camera.Zoom(1.5);
//}
private void InitializeVTK()
{
Kitware.VTK.RenderWindowControl rw = new Kitware.VTK.RenderWindowControl();
rw.AddTestActors = false;
rw.Dock = System.Windows.Forms.DockStyle.Fill;
vtkformhost.Child = rw;
vtkformhost.Visibility = System.Windows.Visibility.Visible;
Kitware.VTK.vtkRendererCollection rs = rw.RenderWindow.GetRenderers();
int rsc = rs.GetNumberOfItems();
Console.WriteLine(rsc + " renderers");
Kitware.VTK.vtkRenderer r = rs.GetFirstRenderer();
r.SetBackground(0.1, 0.3, 0.7);
r.SetBackground2(0.7, 0.8, 1.0);
r.SetGradientBackground(true);
int i, j, k, kOffset, jOffset, offset;
float s, sp, x, y, z;
//创建结构化点数据集,（创建点和单元）
vtkStructuredPoints vol = new vtkStructuredPoints();
vol.SetDimensions(26, 26, 26); //x,y,z三个坐标轴方向上各有26个点
vol.SetOrigin(-0.5, -0.5, -0.5); //设置数据集在坐标空间内的起点
sp = (float)(1.0 / 25.0);
vol.SetSpacing(sp, sp, sp); //设置坐标轴上每个点的间距
//创建标量数据（作为结构化点数据集的属性数据）
vtkFloatArray scalars = new vtkFloatArray();
scalars.SetNumberOfTuples(26 * 26 * 26);//设置标量个数，因为是点属性所以和点的个数相同
for (k = 0; k < 26; k++)
{
z = (float)(-0.5 + k * sp);
kOffset = k * 26 * 26;
for (j = 0; j < 26; j++)
{
y = (float)(-0.5 + j * sp);
jOffset = j * 26;
for (i = 0; i < 26; i++)
{
x = (float)(-0.5 + i * sp);
s = (float)(x * x + y * y + z * z - (0.4 * 0.4));
//计算标量值，该方程为球体方程,位于球体上的点标量值为0
offset = i + jOffset + kOffset; //计算id
scalars.InsertTuple1(offset, s); //插入标量值
}
}
}
vol.GetPointData().SetScalars(scalars); //将标量值与点关联
//抽取标量值为0的点所形成的面
vtkContourFilter contour = new vtkContourFilter();
contour.SetInput(vol);
contour.SetValue(0, 0);
vtkPolyDataMapper volmapper = new vtkPainterPolyDataMapper();
volmapper.SetInput(contour.GetOutput());
vtkActor actor = new vtkActor();
actor.GetProperty().SetRepresentationToWireframe();
// actor.GetProperty().SetRepresentationToSurface();
// actor.GetProperty().SetRepresentationToPoints();
actor.GetProperty().SetColor(0, 0, 0);
actor.SetMapper(volmapper);
vtkRenderWindow _renwin = rw.RenderWindow;
vtkRenderer _render = _renwin.GetRenderers().GetFirstRenderer();
_render.AddActor(actor);
_renwin.Render();
_render.ResetCamera();
}
//private void CommonInit(Sequence BinarySubImageSeq)
//{
// vtkImageData ImageData1 = new vtkImageData();
// ImageData1.SetDimensions(BinarySubImageSeq.Width, BinarySubImageSeq.Height, BinarySubImageSeq.Depth);
// ImageData1.SetNumberOfScalarComponents(1);
// ImageData1.SetSpacing(BinarySubImageSeq.XResolution, BinarySubImageSeq.YResolution, BinarySubImageSeq.ZResolution);
// ImageData1.SetScalarTypeToFloat();
// vtkFloatArray array1 = new vtkFloatArray();
// for (int i = 0; i < BinarySubImageSeq.ImageSize; i++)
// array1.InsertTuple1(i, BinarySubImageSeq[0].Data[0][i]);
// ImageData1.GetPointData().SetScalars(array1);
// vtkExtractVOI VOI = new vtkExtractVOI();
// VOI.SetInput(ImageData1);
// VOI.SetSampleRate(1, 1, 1);
// vtkMarchingCubes ContourObject = vtkMarchingCubes.New();
// vtk_PolyDataMapper = vtkPolyDataMapper.New();
// //ContourActor = new vtkActor();
// VOI.SetVOI(0, BinarySubImageSeq.Width - 1, 0, BinarySubImageSeq.Height - 1, 0, BinarySubImageSeq.Depth - 1);
// ContourObject.SetInput(VOI.GetOutput());
// ContourObject.SetValue(0, 0.5);
// vtk_PolyDataMapper.SetInput(ContourObject.GetOutput());
// vtk_PolyDataMapper.ScalarVisibilityOn();
// vtk_PolyDataMapper.SetScalarModeToUseFieldData();
//}
///// <summary>
///// Generate a 3D mesh using marching-cubes algorithm. If voxel value is lower than 1 it is consider as background, else as object
///// </summary>
///// <param name="BinarySubImageSeq">The binary image</param>
///// <param name="Colour">Mesh color</param>
///// <param name="Pos">Postion of the object in the world</param>
//public void Generate(Sequence BinarySubImageSeq, Color Colour, cPoint3D Pos)
//{
// vtkImageData ImageData1 = new vtkImageData();
// ImageData1.SetDimensions(BinarySubImageSeq.Width, BinarySubImageSeq.Height, BinarySubImageSeq.Depth);
// ImageData1.SetNumberOfScalarComponents(1);
// ImageData1.SetSpacing(BinarySubImageSeq.XResolution, BinarySubImageSeq.YResolution, BinarySubImageSeq.ZResolution);
// ImageData1.SetScalarTypeToFloat();
// vtkFloatArray array1 = new vtkFloatArray();
// for (int i = 0; i < BinarySubImageSeq.ImageSize; i++)
// array1.InsertTuple1(i, BinarySubImageSeq[0].Data[0][i]);
// ImageData1.GetPointData().SetScalars(array1);
// vtkExtractVOI VOI = new vtkExtractVOI();
// VOI.SetInput(ImageData1);
// VOI.SetSampleRate(1, 1, 1);
// vtkMarchingCubes ContourObject = vtkMarchingCubes.New();
// vtk_PolyDataMapper = vtkPolyDataMapper.New();
// //ContourActor = new vtkActor();
// VOI.SetVOI(0, BinarySubImageSeq.Width - 1, 0, BinarySubImageSeq.Height - 1, 0, BinarySubImageSeq.Depth - 1);
// // perform the amrching cubes
// ContourObject.SetInput(VOI.GetOutput());
// ContourObject.SetValue(0, 0.5);
// //vtkDecimatePro deci
// //deci SetInputConnection [fran GetOutputPort]
// //deci SetTargetReduction 0.9
// //deci PreserveTopologyOn
// if (MeshSmoother!=null)
// {
// vtkSmoothPolyDataFilter smoother = new vtkSmoothPolyDataFilter();
// smoother.SetInputConnection(ContourObject.GetOutputPort());// [deci GetOutputPort]
// smoother.SetNumberOfIterations(50);
// vtk_PolyData = smoother.GetOutput();
// }
// else
// {
// vtk_PolyData = ContourObject.GetOutput();
// }
// vtk_PolyDataMapper.SetInput(vtk_PolyData);
// vtk_PolyDataMapper.ScalarVisibilityOn();
// vtk_PolyDataMapper.SetScalarModeToUseFieldData();
// this.Position = new cPoint3D(Pos.X, Pos.Y, Pos.Z);
// this.Colour = Colour;
// CreateVTK3DObject(1);
// vtk_PolyData = ContourObject.GetOutput();
// // compute convex hull
// hullFilter = vtkHull.New();
// hullFilter.SetInputConnection(ContourObject.GetOutputPort());
// hullFilter.AddRecursiveSpherePlanes(1);
// hullFilter.Update();
// // this.BackfaceCulling(false);
// Information = new cInformation(ContourObject, this, hullFilter);
//}
public void Generate(cImage BinarySubImageSeq, Color Colour, cPoint3D Pos/*, List<cBiological3DObject> Containers, int ContainerMode*/)
{
vtkImageData ImageData1 = new vtkImageData();
ImageData1.SetDimensions(BinarySubImageSeq.Width, BinarySubImageSeq.Height, BinarySubImageSeq.Depth);
ImageData1.SetNumberOfScalarComponents(1);
ImageData1.SetSpacing(BinarySubImageSeq.Resolution.X, BinarySubImageSeq.Resolution.Y, BinarySubImageSeq.Resolution.Z);
ImageData1.SetScalarTypeToFloat();
vtkFloatArray array1 = new vtkFloatArray();
for (int i = 0; i < BinarySubImageSeq.ImageSize; i++)
array1.InsertTuple1(i, BinarySubImageSeq.SingleChannelImage[0].Data[i]);
ImageData1.GetPointData().SetScalars(array1);
vtkExtractVOI VOI = new vtkExtractVOI();
VOI.SetInput(ImageData1);
VOI.SetSampleRate(1, 1, 1);
vtkMarchingCubes ContourObject = vtkMarchingCubes.New();
vtk_PolyDataMapper = vtkPolyDataMapper.New();
//ContourActor = new vtkActor();
VOI.SetVOI(0, BinarySubImageSeq.Width - 1, 0, BinarySubImageSeq.Height - 1, 0, BinarySubImageSeq.Depth - 1);
ContourObject.SetInput(VOI.GetOutput());
ContourObject.SetValue(0, 0.5);
vtkAlgorithmOutput AlgoOutPut = null;
if (MeshSmoother != null)
{
//vtkSmoothPolyDataFilter smoother = new vtkSmoothPolyDataFilter();
vtkWindowedSincPolyDataFilter smoother = new vtkWindowedSincPolyDataFilter();
smoother.SetInputConnection(ContourObject.GetOutputPort());// [deci GetOutputPort]
smoother.SetNumberOfIterations(MeshSmoother.NumberOfIterations);
vtk_PolyData = smoother.GetOutput();
//smoother.GetOutputPort();
AlgoOutPut = smoother.GetOutputPort();
}
else
{
vtk_PolyData = ContourObject.GetOutput();
AlgoOutPut = ContourObject.GetOutputPort();
}
vtk_PolyDataMapper.SetInput(vtk_PolyData);
vtk_PolyDataMapper.ScalarVisibilityOn();
vtk_PolyDataMapper.SetScalarModeToUseFieldData();
vtkActor TmpActor = vtkActor.New();
TmpActor.SetMapper(vtk_PolyDataMapper);
TmpActor.SetPosition(Pos.X, Pos.Y, Pos.Z);
//Console.WriteLine("PosX"+Pos.X+" PosY"+Pos.Y+" PosZ"+Pos.Z);
#region deal with the containers
if (this.Containers != null)
{
if (this.Containers.ContainerMode == 0)
{
cPoint3D Centroid = new cPoint3D((float)TmpActor.GetCenter()[0], (float)TmpActor.GetCenter()[1], (float)TmpActor.GetCenter()[2]);
bool IsInside = false;
for (int Idx = 0; Idx < Containers.Containers.Count; Idx++)
{
cBiological3DVolume CurrentContainer = (cBiological3DVolume)(Containers.Containers[Idx]);
if (CurrentContainer.IsPointInside(Centroid))
{
IsInside = true;
ContainerIdx = Idx;
break;
}
}
if (IsInside)
{
this.SetPosition(new cPoint3D(Pos.X, Pos.Y, Pos.Z));
this.Colour = Colour;
CreateVTK3DObject(1);
// vtk_PolyData = ContourObject.GetOutput();
// compute convex hull
hullFilter = vtkHull.New();
hullFilter.SetInputConnection(AlgoOutPut);
hullFilter.AddRecursiveSpherePlanes(0);
hullFilter.Update();
Information = new cInformation(AlgoOutPut, this, hullFilter);
this.Detected = true;
}
else
{
this.Detected = false;
}
}
else if (Containers.ContainerMode == 1)
{
this.Detected = true;
//bool IsInside = false;
for (int Idx = 0; Idx < Containers.Containers.Count; Idx++)
{
cBiological3DVolume CurrentContainer = (cBiological3DVolume)(Containers.Containers[Idx]);
if (CurrentContainer.IsPointInside(Pos))
{
//IsInside = false;
this.Detected = false;
return;
}
}
this.SetPosition(new cPoint3D(Pos.X, Pos.Y, Pos.Z));
this.Colour = Colour;
CreateVTK3DObject(1);
// vtk_PolyData = ContourObject.GetOutput();
// compute convex hull
hullFilter = vtkHull.New();
hullFilter.SetInputConnection(AlgoOutPut);
hullFilter.AddRecursiveSpherePlanes(0);
hullFilter.Update();
Information = new cInformation(AlgoOutPut, this, hullFilter);
this.Detected = true;
}
}
else
{
this.SetPosition(new cPoint3D(Pos.X, Pos.Y, Pos.Z));
this.Colour = Colour;
CreateVTK3DObject(1);
// vtk_PolyData = ContourObject.GetOutput();
// compute convex hull
hullFilter = vtkHull.New();
hullFilter.SetInputConnection(AlgoOutPut);
hullFilter.AddRecursiveSpherePlanes(1);
hullFilter.Update();
// this.BackfaceCulling(false);
Information = new cInformation(AlgoOutPut, this, hullFilter);
}
#endregion
}
public void Generate(CImage3D BinarySubImageSeq, Color Colour, cPoint3D Pos)
{
vtkImageData ImageData1 = new vtkImageData();
ImageData1.SetDimensions(BinarySubImageSeq.Width, BinarySubImageSeq.Height, BinarySubImageSeq.Depth);
ImageData1.SetNumberOfScalarComponents(1);
//ImageData1.SetSpacing(BinarySubImageSeq.XResolution, BinarySubImageSeq.YResolution, BinarySubImageSeq.ZResolution);
ImageData1.SetScalarTypeToFloat();
vtkFloatArray array1 = new vtkFloatArray();
for (int i = 0; i < BinarySubImageSeq.ImageSize; i++)
array1.InsertTuple1(i, BinarySubImageSeq.Data[i]);
ImageData1.GetPointData().SetScalars(array1);
vtkExtractVOI VOI = new vtkExtractVOI();
VOI.SetInput(ImageData1);
VOI.SetSampleRate(1, 1, 1);
vtkMarchingCubes ContourObject = vtkMarchingCubes.New();
vtk_PolyDataMapper = vtkPolyDataMapper.New();
//ContourActor = new vtkActor();
VOI.SetVOI(0, BinarySubImageSeq.Width - 1, 0, BinarySubImageSeq.Height - 1, 0, BinarySubImageSeq.Depth - 1);
ContourObject.SetInput(VOI.GetOutput());
ContourObject.SetValue(0, 0.5);
vtkAlgorithmOutput AlgoOutPut = null;
vtk_PolyData = ContourObject.GetOutput();
AlgoOutPut = ContourObject.GetOutputPort();
vtk_PolyDataMapper.SetInput(vtk_PolyData);
vtk_PolyDataMapper.ScalarVisibilityOn();
vtk_PolyDataMapper.SetScalarModeToUseFieldData();
vtkActor TmpActor = vtkActor.New();
TmpActor.SetMapper(vtk_PolyDataMapper);
TmpActor.SetPosition(Pos.X, Pos.Y, Pos.Z);
//Console.WriteLine("PosX"+Pos.X+" PosY"+Pos.Y+" PosZ"+Pos.Z);
#region deal with the containers
this.Position = new cPoint3D(Pos.X, Pos.Y, Pos.Z);
this.Colour = Colour;
CreateVTK3DObject(1);
// vtk_PolyData = ContourObject.GetOutput();
// compute convex hull
hullFilter = vtkHull.New();
hullFilter.SetInputConnection(AlgoOutPut);
hullFilter.AddRecursiveSpherePlanes(1);
hullFilter.Update();
// this.BackfaceCulling(false);
Information = new cInformation(AlgoOutPut, this, hullFilter);
#endregion
}
